Operating System : Windows 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6'' Display Max Resolution : 1920 x 1080 Chipset : N/A Processors : Intel Core i3,i5,i7 6th Gen Ram Memory : Two (2) SODIMM slots, DDR4 PC4-17000, Up to 16GB, 2133 MHz Hard Disk Drive : SATA HDD or SSD Graphics : Intel HD Graphics Network Adapter : Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : N/A USB : Three (3) USB 3.0 Ports : VGA, HDMI, RJ-45, SD Card reader Power Supply Adapter : 65 W Dimensions : 380.00 x 258.00 x 22.70 mm Weight : 2.2 kg